9999993992999 has 2 divisors, whose sum is σ = 9999993993000. Its totient is φ = 9999993992998.

The previous prime is 9999993992981. The next prime is 9999993993013. The reversal of 9999993992999 is 9992993999999.

It is a happy number.

9999993992999 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9999993992999 is a prime.

It is a super-2 number, since 2×9999993992999² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9999993992959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4999996996499 + 4999996996500.

It is an arithmetic number, because the mean of its divisors is an integer number (4999996996500).

Almost surely, 2^{9999993992999} is an apocalyptic number.

9999993992999 is a deficient number, since it is larger than the sum of its proper divisors (1).

9999993992999 is an equidigital number, since it uses as much as digits as its factorization.

9999993992999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 188286357654, while the sum is 104.

The spelling of 9999993992999 in words is "nine trillion, nine hundred ninety-nine billion, nine hundred ninety-three million, nine hundred ninety-two thousand, nine hundred ninety-nine".